Long-Range Weather Forecast for Twin Falls, ID

October 2026 Long Range Weather Forecast for Intermountain

Dates	Weather Conditions
Oct 1-8	Rainy periods, chilly
Oct 9-19	Sunny, cool
Oct 20-23	Rainy, chilly
Oct 24-31	Sunny, warm
October	temperature 51° (1° below avg.) precipitation 1" (avg.)

November 2026 Long Range Weather Forecast for Intermountain

Dates	Weather Conditions
Nov 1-3	Sunny, warm
Nov 4-10	Rainy periods north, sunny south; warm
Nov 11-19	Periods of rain and snow north, sunny south; turning chilly
Nov 20-22	Sunny north, snowstorm south; cold
Nov 23-30	Rain showers north, sunny south; warm
November	temperature 45° (4° above avg.) precipitation 1.5" (0.5" above avg.)

12-Month Long-Range Weather Outlook

November 2026 to October 2027

Winter will be warmer than normal, with the coldest periods in mid- to late December, early and late January, and early February. Precipitation and snowfall will be above normal, with the snowiest periods in late November, late December, and early February. April and May will be cooler than normal in the north and warmer south, with below-normal precipitation. Summer will be hotter and wetter than normal. The hottest periods will be in early and mid-July and mid-August. September and October will be cooler than normal, with above-normal precipitation.

See the complete 12-month weather forecast in The Old Farmer’s Almanac..

Weather Trend Graph

November 2026 to October 2027